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Finding the Fourth Proportional to 224,378.80, 336,796.42 and 112,139.54

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Solution

The fourth proportional to 224,378.80, 336,796.42 and 112,139.54 is: 168,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,378.80 : 336,796.42 = 112,139.54 : x
  2. Step 2: Convert to fraction form
    224,378.80/336,796.42 = 112,139.54/x
  3. Step 3: Cross multiply
    224,378.80x = 336,796.42 × 112,139.54
  4. Step 4: Simplify right side
    224,378.80x = 37,768,195,612.45
  5. Step 5: Solve for x
    x = 37,768,195,612.45/224,378.80
  6. Step 6: Final answer
    x = 168,323.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.